1 /* $NetBSD: util.h,v 1.65 2013/05/02 07:17:35 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1995 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _UTIL_H_ 33 #define _UTIL_H_ 34 35 #include <sys/cdefs.h> 36 #include <sys/types.h> 37 #include <sys/ansi.h> 38 #include <sys/inttypes.h> 39 40 #ifdef _BSD_TIME_T_ 41 typedef _BSD_TIME_T_ time_t; 42 #undef _BSD_TIME_T_ 43 #endif 44 #ifdef _BSD_SIZE_T_ 45 typedef _BSD_SIZE_T_ size_t; 46 #undef _BSD_SIZE_T_ 47 #endif 48 49 #if defined(_POSIX_C_SOURCE) 50 #ifndef __VA_LIST_DECLARED 51 typedef __va_list va_list; 52 #define __VA_LIST_DECLARED 53 #endif 54 #endif 55 56 #define PIDLOCK_NONBLOCK 1 57 #define PIDLOCK_USEHOSTNAME 2 58 59 #define PW_POLICY_BYSTRING 0 60 #define PW_POLICY_BYPASSWD 1 61 #define PW_POLICY_BYGROUP 2 62 63 __BEGIN_DECLS 64 struct disklabel; 65 struct iovec; 66 struct passwd; 67 struct termios; 68 struct utmp; 69 struct utmpx; 70 struct winsize; 71 struct sockaddr; 72 73 char *flags_to_string(unsigned long, const char *); 74 pid_t forkpty(int *, char *, struct termios *, struct winsize *); 75 const char *getbootfile(void); 76 int getbyteorder(void); 77 off_t getlabeloffset(void); 78 int getlabelsector(void); 79 int getlabelusesmbr(void); 80 int getmaxpartitions(void); 81 int getrawpartition(void); 82 const char *getdiskrawname(char *, size_t, const char *); 83 const char *getdiskcookedname(char *, size_t, const char *); 84 const char *getfstypename(int); 85 const char *getfsspecname(char *, size_t, const char *); 86 #ifndef __LIBC12_SOURCE__ 87 void login(const struct utmp *) __RENAME(__login50); 88 void loginx(const struct utmpx *) __RENAME(__loginx50); 89 #endif 90 int login_tty(int); 91 int logout(const char *); 92 int logoutx(const char *, int, int); 93 void logwtmp(const char *, const char *, const char *); 94 void logwtmpx(const char *, const char *, const char *, int, int); 95 int opendisk(const char *, int, char *, size_t, int); 96 int opendisk1(const char *, int, char *, size_t, int, 97 int (*)(const char *, int, ...)); 98 int openpty(int *, int *, char *, struct termios *, 99 struct winsize *); 100 #ifndef __LIBC12_SOURCE__ 101 time_t parsedate(const char *, const time_t *, const int *) 102 __RENAME(__parsedate50); 103 #endif 104 int pidfile(const char *); 105 int pidlock(const char *, int, pid_t *, const char *); 106 int pw_abort(void); 107 #ifndef __LIBC12_SOURCE__ 108 void pw_copy(int, int, struct passwd *, struct passwd *) 109 __RENAME(__pw_copy50); 110 int pw_copyx(int, int, struct passwd *, struct passwd *, 111 char *, size_t) __RENAME(__pw_copyx50); 112 #endif 113 void pw_edit(int, const char *); 114 __dead void pw_error(const char *, int, int); 115 void pw_getconf(char *, size_t, const char *, const char *); 116 #ifndef __LIBC12_SOURCE__ 117 void pw_getpwconf(char *, size_t, const struct passwd *, 118 const char *) __RENAME(__pw_getpwconf50); 119 #endif 120 const char *pw_getprefix(void); 121 void pw_init(void); 122 int pw_lock(int); 123 int pw_mkdb(const char *, int); 124 void pw_prompt(void); 125 int pw_setprefix(const char *); 126 int raise_default_signal(int); 127 int secure_path(const char *); 128 int snprintb_m(char *, size_t, const char *, uint64_t, size_t); 129 int snprintb(char *, size_t, const char *, uint64_t); 130 int sockaddr_snprintf(char *, size_t, const char *, 131 const struct sockaddr *); 132 char *strpct(char *, size_t, uintmax_t, uintmax_t, size_t); 133 char *strspct(char *, size_t, intmax_t, intmax_t, size_t); 134 int string_to_flags(char **, unsigned long *, unsigned long *); 135 int ttyaction(const char *, const char *, const char *); 136 int ttylock(const char *, int, pid_t *); 137 char *ttymsg(struct iovec *, int, const char *, int); 138 int ttyunlock(const char *); 139 140 uint16_t disklabel_dkcksum(struct disklabel *); 141 int disklabel_scan(struct disklabel *, char *, size_t); 142 143 /* Error checked functions */ 144 void (*esetfunc(void (*)(int, const char *, ...))) 145 (int, const char *, ...); 146 size_t estrlcpy(char *, const char *, size_t); 147 size_t estrlcat(char *, const char *, size_t); 148 char *estrdup(const char *); 149 char *estrndup(const char *, size_t); 150 void *ecalloc(size_t, size_t); 151 void *emalloc(size_t); 152 void *erealloc(void *, size_t); 153 struct __sFILE *efopen(const char *, const char *); 154 int easprintf(char ** __restrict, const char * __restrict, ...) 155 __printflike(2, 3); 156 int evasprintf(char ** __restrict, const char * __restrict, 157 __va_list) __printflike(2, 0); 158 __END_DECLS 159 160 #endif /* !_UTIL_H_ */ 161